How to use them
Use them in the same routine morning or night. Apply Kojic Acid first, then Azelaic Acid, moving from thinnest to thickest texture. Finish with sunscreen in the morning.
- 1CleanseGentle cleanser, pat dry
- 2Kojic Acid1% – 2%, wait about 1 minute
- 3Azelaic Acid10% – 20%
- 4Moisturiserseal everything in
What Azelaic Acid does
A multitasker that treats acne, rosacea redness and pigmentation at the same time. It is widely considered safe in pregnancy, so it is a common swap for retinoids.
- Typical strength
- 10% – 20%
- When
- AM/PM
- Irritation
- Best for
- Sensitive, Oily, Combination And Normal skin
Everything that pairs with Azelaic Acid →
What Kojic Acid does
Derived from fungi used in rice wine and soy sauce production, kojic acid blocks the enzyme that makes melanin. It is effective on dark spots but can cause contact sensitivity in some people.
- Typical strength
- 1% – 2%
- When
- AM/PM
- Irritation
- Best for
- Normal, Oily And Combination skin
Everything that pairs with Kojic Acid →
Trying to choose one? Read Azelaic Acid vs Kojic Acid: which is better for your skin.
Frequently asked questions
Can I use Azelaic Acid and Kojic Acid together?
Yes, it is safe. There is no known chemical conflict between Azelaic Acid and Kojic Acid, and neither makes the other less effective. They share a goal (pigmentation), so together they reinforce each other.
Which goes first, Azelaic Acid or Kojic Acid?
Apply Kojic Acid first, then Azelaic Acid. The general rule is thinnest to thickest texture, and lowest pH first.
Should I use Azelaic Acid in the morning or at night?
Azelaic Acid: works morning or night. Apply once or twice daily. A mild tingle in the first week is normal.
Should I use Kojic Acid in the morning or at night?
Kojic Acid: works morning or night. Patch test first. Use once daily at first, then build up.
Is Azelaic Acid with Kojic Acid safe during pregnancy?
Neither is a known risk in normal cosmetic amounts, but guidance varies for Kojic Acid. Check with your doctor.